14.8. Survey, removal and installation to the place of a back brake disk

Before getting to work, read the preventions provided in the beginning of the Sections Pumping of the Brake System and Replacement of Front Brake Shoes, concerning safety of work with components of the brake system.

Survey

 PERFORMANCE ORDER

1. Park the car on a firm plain surface, then prop up wheels and cock the emergency brake. To Poddomkratta a back part of the car, establish it on axial support and remove the corresponding wheel. You look Poddomkrachivaniye's Section, towage and change of wheels.
2. You watch the description of the procedure of survey of disks at the beginning of the Section Survey, removal and installation to the place of a forward brake disk taking into account that back disks are not ventilated.

For ensuring survey of a back surface of a disk removal of the hydraulic case of a brake support can be required (address the Section Removal, capital repairs and installation to the place of a back brake support).

Removal

 PERFORMANCE ORDER

1. Put tags of mutual provision of a disk and a nave, having used for this purpose chalk or a marker. Weaken the directing hairpin and the fixing screw - they have the same radius, as openings of bolts of fastening of wheels - however do not remove them at this stage.
2. For removal of a brake disk it is necessary to otboltit a brake support from assembly of a nave, however its dismantling is not required - brake shoes and a hydraulic hose can be left on the place. Wring out an internal brake shoe and the piston back in the cylinder, having used for this purpose couple of clips or clamps - you watch at the same time that the brake fluid which is forced out from the cylinder was not poured at the top the tank the brake kike - bones. Shift the hydraulic case on the directing fingers so that both brake shoes descended from a disk.
3. Remove the directing fingers, then remove the hydraulic case from a disk. Suspend the case on a rigid point of a suspension bracket, having used for this purpose a piece of a wire or a rope. Otboltite also remove a cast arm from assembly of a nave (address the Section Removal, capital repairs and installation to the place of a back brake support).
4. Completely remove the directing hairpin and the fixing screw. Hold at the same time a disk, then remove it. If the disk stuck, for release slightly tap it a kiyanka.

5. An emery paper remove polishing from a disk surface, make at the same time the circular movements in order to avoid education on a surface of a disk of the directed scratches.

Installation into place

 PERFORMANCE ORDER

1. In case the new disk is established, by means of solvent remove from it a sheeting.
2. Establish a disk on a nave so that openings of bolts of fastening of wheels, the fixing screw and the directing hairpin correctly coincided, if necessary (if the old disk is established) use tags of mutual provision of a disk and a nave. If the disk was removed for correction of its landing and elimination of a beating, turn a disk on 180 ° and then establish it into place.
3. Establish into place the fixing hairpin and the fixing screw, having strong tightened them.
4. Establish into place an arm of a brake support and the hydraulic case, having tightened fixing bolts with the required effort (address the Section Removal, capital repairs and installation to the place of a back brake support).
5. By means of one of the methods described above repeatedly check a disk beating.
6. Several times squeeze out a brake pedal for the purpose of shrinkage of brake shoes on a disk.
7. Check and make adjustment of operation of the emergency brake (address the Head Routine maintenance).
8. Establish into place a wheel, lower the car on the earth and tighten bolts of fastening of a wheel with the required effort.